| article html file updated | 9 February 2020 05:09 CET | Update | https://www.mdpi.com/2076-3298/5/2/23 |
| article html file updated | 30 September 2019 10:17 CEST | Update | - |
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| article html file updated | 14 March 2018 09:19 CET | Update | - |
| article html file updated | 1 February 2018 14:55 CET | Original file | - |
| article xml uploaded. | 1 February 2018 09:34 CET | Original file | https://www.mdpi.com/2076-3298/5/2/23/xml |
| article pdf uploaded. | 1 February 2018 09:34 CET | Version of Record | https://www.mdpi.com/2076-3298/5/2/23/pdf |
